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Solving the Diet-Cancer Mystery:
Scientific Studies Provide Clues

Laboratory Studies: What Are They?

Just as forensic scientists use advanced crime labs to sift through the many confusing clues found at crime scenes, cancer researchers also examine complex dietary evidence in controlled laboratory environments. Laboratory studies involve more than observing and gathering data. Scientists make small, defined changes in one or more sets of test subjects–animals, cells or tissues. Then they compare the various outcomes.